when<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. {required TResult all(
    1. Color? color
    )}
)
@optionalTypeArgs, inherited

Implementation

@optionalTypeArgs
TResult when<TResult extends Object?>({
  required TResult Function(Color? color) all,
}) =>
    throw _privateConstructorUsedError;